Refactor diff suppress logic and diff views

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/app/helpers/diff_helper.rb b/app/helpers/diff_helper.rb
new file mode 100644
index 00000000000..ee4d4fbdff5
--- /dev/null
+++ b/app/helpers/diff_helper.rb
@@ -0,0 +1,22 @@
+module DiffHelper
+  def safe_diff_files(diffs)
+    if diff_hard_limit_enabled?
+      diffs.first(Commit::DIFF_HARD_LIMIT_FILES)
+    else
+      diffs.first(Commit::DIFF_SAFE_FILES)
+    end
+  end
+
+  def show_diff_size_warninig?(diffs)
+    safe_diff_files(diffs).size < diffs.size
+  end
+
+  def diff_hard_limit_enabled?
+    # Enabling hard limit allows user to see more diff information
+    if params[:force_show_diff].present?
+      true
+    else
+      false
+    end
+  end
+end